Home/CVE/The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DM
CVE

CVE-2016-4441

The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DM

The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DMA length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via unspecified vectors, involving an SCSI command.

MEDIUM · CVSS 6 EPSS 0.00099
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

3
qemu<= 2.6.0
canonical ubuntu linuxall versions
debian linuxall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

6
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 May 2016 · 02:59 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
⚑

Vendor Advisories

13
suse-csafopenSUSE-SU-2024:10196-1
suse-csafopenSUSE-SU-2024:10233-1
suse-csafopenSUSE-SU-2024:10285-1
suse-csafSUSE-SU-2016:2725-1
suse-csafSUSE-SU-2016:2528-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2016/05/19/4Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/90762Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3047-1Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-2Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1337505Issue TrackingThird Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
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